{"action":"Upgrade requests to 2.6.0 or later.","affected":[{"fixed":"2.6.0","introduced":"2.1.0"}],"component":"requests","cve_ids":["CVE-2015-2296"],"ecosystem":"PyPI","epss":0.03424,"exploited":false,"fixed_versions":["2.6.0"],"ghsa_id":"GHSA-pg2w-x9wp-vw92","id":"tcs_01M5KG6K2608WFSSDV0AMB3R3T","modified_at":"2026-06-10T17:02:37.461577652Z","published_at":"2015-03-18T16:59:00Z","references":["https://osv.dev/vulnerability/PYSEC-2015-17","http://www.openwall.com/lists/oss-security/2015/03/15/1","http://www.ubuntu.com/usn/USN-2531-1","http://www.openwall.com/lists/oss-security/2015/03/14/4","https://github.com/kennethreitz/requests/commit/3bd8afbff29e50b38f889b2f688785a669b9aafc","https://warehouse.python.org/project/requests/2.6.0/","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153594.html","http://advisories.mageia.org/MGASA-2015-0120.html","http://www.mandriva.com/security/advisories?name=MDVSA-2015:133","https://github.com/advisories/GHSA-pg2w-x9wp-vw92"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2015-17","url":"https://osv.dev/vulnerability/PYSEC-2015-17"}],"summary":"The resolve_redirects function in sessions.py in requests 2.1.0 through 2.5.3 allows remote attackers to conduct session fixation attacks via a cookie without a host value in a redirect."}